📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • ✖

      Question

      In a group of 5 boys and 4 girls, 5 students have to be

      selected. In how many ways it can be done so that only 2 boys are included.
      A 60 Correct Answer Incorrect Answer
      B 40 Correct Answer Incorrect Answer
      C 35 Correct Answer Incorrect Answer
      D 54 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      => 5C2 × 4C3 = [5!/(5 -2)! 2!] × [4!/(4 -3)! 3!] => [5!/3! 2!] × [4!/1! 3!] => 40 ways

      Practice Next
      More Permutation and combination Questions

      Relevant for Exams:

      ask-question